On Mon, Jun 25, 2018 at 8:51 AM, Patrick O'Callaghan <pocallaghan@xxxxxxxxx> wrote: > On Mon, 2018-06-25 at 08:47 -0400, Go Canes wrote: >> But then >> when I go to boot the external drive, it immediately displays >> "Operation System not found" - Note that is is "Operation", *not* >> "Operating". > > That could be a message from your BIOS, which would imply it's not > finding even the first stage boot block. Check BIOS settings. I get a single bit of disk activity when I try to boot off the external drive, so it is at least *trying* to find the 1st stage boot block. While I am obviously not 100% certain, my thinking is that something isn't quite right with the grub config. Let me see if I can't take a peek at the 1st sector and see what is in there. _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/users@xxxxxxxxxxxxxxxxxxxxxxx/message/LM6JXUM7VIHINSRBULEAUS3ZPJEBNTAG/